31490438 is an even 8-digits composite number following 31490437
and preceding 31490439 . In scientific notation, it is written as 3.1490438 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 13495860 positive integers (up to 31490438) that are relatively prime to 31490438.
31490438 has 12 divisors, whose sum is 54947772
The reverse of 31490438 is 83409413
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million four hundred ninety thousand four hundred thirty-eight
Scientific notation
3.1490438 × 10^7
Engineering notation
3.1490438 × 10^6
Prime Factorization
2 × 7 × 7 × 321331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4498634
Product of the distinct prime numbers
The prime factorization of 31490438 is 2 × 7 × 7 × 321331.
Since it has a total of 4 prime factors.
8 , 4 , 69 , 81 , 665 , 534 , 5891 , 248 , 23239 , 7732 , 546958 , 125969 , 6199153 , 815621 , 1174969 , 42851548 , 837170189 , 349607332 , 7083004755 , 794366083
n×2
62980876
n×3
94471314
n×4
125961752
n×5
157452190
n÷2
15745219
n÷3
10496812.666667
n÷3
7872609.5
n÷5
6298087.6
n2
991647685431844
n3
3.1227419955935E+22
n4
9.8336513202233E+29
n5
3.0966598721311E+37
2 √n
5611.63416484
3 √n
315.78602054801
4 √n
74.910841437272
5 √n
31.596264463716
1 , 2 , 7 , 14 , 49 , 98 , 321331 , 642662 , 2249317 , 4498634 , 15745219 , 31490438
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31490437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31490438 can be divided by 12 positive divisors.
The sum of these divisors (counting 31490438) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000001000000110000110
3
Ternary
2012020212202112
4
Quaternary
1320020012012
5
Quinary
31030143223
6
Senary
3042541022
8
Octal
170100606
10
Decimal
31490438
12
Duodecimal
a667772
16
Hexadecimal
1e08186
20
Vigesimal
9gg61i
36
Base36
iqy6e
md5
f35c4ebce25d3208f23f95f546344cf7
sha1
a6af20b046a05b665b1a2275e338161452038ddb
sha256
5f88dec681f4a0a3d9312b8da8a4674a22ff69a46223fa8b723d77f92ad992b9
sha512
83d8d61f43849af8babfdb4963ce712ffb6248241339e409be405430b83b4ebe703af61a0c1a1dcab1a465b06a820804fcbeeca63e5043326ef0e6208b7024a6
ripemd-160
da314d70c09abb475ae8bfd9d414e7dfc051633f
Diameter
62980876
Circumference
197860257.35825
Area
3.115353083502E+15
Volume
1.3080511083217E+23
Surface area
1.2461412334008E+16
Circumference
197860257.35825
Perimeter
125961752
Area
991647685431844
Diagonal
44534204.504669
Surface area
5949886112591064
Volume
3.1227419955935E+22
Space diagonal
54543038.568598
Perimeter
94471314
Area
4.2939604359401E+14
Altitude
27271519.284299
Surface area
4.2939604359401E+14
Volume
3.680186734967E+21
Height
14844734.83489